1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
|
/*******************************************************************************
* Copyright (c) 2006, 2011 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.osgi.internal.baseadaptor;
import java.io.File;
import java.security.ProtectionDomain;
import java.util.ArrayList;
import org.eclipse.osgi.baseadaptor.*;
import org.eclipse.osgi.baseadaptor.bundlefile.BundleEntry;
import org.eclipse.osgi.baseadaptor.bundlefile.BundleFile;
import org.eclipse.osgi.baseadaptor.hooks.ClassLoadingHook;
import org.eclipse.osgi.baseadaptor.loader.*;
import org.eclipse.osgi.framework.adaptor.BundleProtectionDomain;
import org.eclipse.osgi.framework.adaptor.ClassLoaderDelegate;
import org.eclipse.osgi.framework.util.KeyedElement;
public class DevClassLoadingHook implements ClassLoadingHook, HookConfigurator, KeyedElement {
public static final String KEY = DevClassLoadingHook.class.getName();
public static final int HASHCODE = KEY.hashCode();
private static final String FRAGMENT = "@fragment@"; //$NON-NLS-1$
public byte[] processClass(String name, byte[] classbytes, ClasspathEntry classpathEntry, BundleEntry entry, ClasspathManager manager) {
// Do nothing
return null;
}
public boolean addClassPathEntry(ArrayList<ClasspathEntry> cpEntries, String cp, ClasspathManager hostmanager, BaseData sourcedata, ProtectionDomain sourcedomain) {
// first check that we are in devmode for this sourcedata
String[] devClassPath = !DevClassPathHelper.inDevelopmentMode() ? null : DevClassPathHelper.getDevClassPath(sourcedata.getSymbolicName());
if (devClassPath == null || devClassPath.length == 0)
return false; // not in dev mode return
// check that dev classpath entries have not already been added; we mark this in the first entry below
if (cpEntries.size() > 0 && cpEntries.get(0).getUserObject(KEY) != null)
return false; // this source has already had its dev classpath entries added.
boolean result = false;
for (int i = 0; i < devClassPath.length; i++) {
if (ClasspathManager.addClassPathEntry(cpEntries, devClassPath[i], hostmanager, sourcedata, sourcedomain))
result = true;
else {
String devCP = devClassPath[i];
boolean fromFragment = devCP.endsWith(FRAGMENT);
if (!fromFragment && devCP.indexOf("..") >= 0) { //$NON-NLS-1$
// if in dev mode, try using cp as a relative path from the base bundle file
File base = sourcedata.getBundleFile().getBaseFile();
if (base.isDirectory()) {
// this is only supported for directory bundles
ClasspathEntry entry = hostmanager.getExternalClassPath(new File(base, devCP).getAbsolutePath(), sourcedata, sourcedomain);
if (entry != null) {
cpEntries.add(entry);
result = true;
}
}
} else {
// if in dev mode, try using the cp as an absolute path
// we assume absolute entries come from fragments. Find the source
if (fromFragment)
devCP = devCP.substring(0, devCP.length() - FRAGMENT.length());
BaseData fragData = findFragmentSource(sourcedata, devCP, hostmanager, fromFragment);
if (fragData != null) {
ClasspathEntry entry = hostmanager.getExternalClassPath(devCP, fragData, sourcedomain);
if (entry != null) {
cpEntries.add(entry);
result = true;
}
}
}
}
}
// mark the first entry of the list.
// This way we can quickly tell that dev classpath entries have been added to the list
if (result && cpEntries.size() > 0)
cpEntries.get(0).addUserObject(this);
return result;
}
private BaseData findFragmentSource(BaseData hostData, String cp, ClasspathManager manager, boolean fromFragment) {
if (hostData != manager.getBaseData())
return hostData;
File file = new File(cp);
if (!file.isAbsolute())
return hostData;
FragmentClasspath[] fragCP = manager.getFragmentClasspaths();
for (int i = 0; i < fragCP.length; i++) {
BundleFile fragBase = fragCP[i].getBundleData().getBundleFile();
File fragFile = fragBase.getBaseFile();
if (fragFile != null && file.getPath().startsWith(fragFile.getPath()))
return fragCP[i].getBundleData();
}
return fromFragment ? null : hostData;
}
public String findLibrary(BaseData data, String libName) {
// Do nothing
return null;
}
public ClassLoader getBundleClassLoaderParent() {
// Do nothing
return null;
}
public BaseClassLoader createClassLoader(ClassLoader parent, ClassLoaderDelegate delegate, BundleProtectionDomain domain, BaseData data, String[] bundleclasspath) {
// do nothing
return null;
}
public void initializedClassLoader(BaseClassLoader baseClassLoader, BaseData data) {
// do nothing
}
public void addHooks(HookRegistry hookRegistry) {
if (DevClassPathHelper.inDevelopmentMode())
// only add dev classpath manager if in dev mode
hookRegistry.addClassLoadingHook(new DevClassLoadingHook());
}
public boolean compare(KeyedElement other) {
return other.getKey() == KEY;
}
public Object getKey() {
return KEY;
}
public int getKeyHashCode() {
return HASHCODE;
}
}
|
